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Sodium Ion Sensing by Cellulose Triacetate Plasticizer Membrane Containing Dibenzo-16-crown-5 Chromoionophore
- Issue Date
- Aug-1995
- Publisher
- Chemical Society of Japan/Nippon Kagakukai
- Citation
- Chemistry Letters, v.24, no.8, pp 711 - 712
- Pages
- 2
- Journal Title
- Chemistry Letters
- Volume
- 24
- Number
- 8
- Start Page
- 711
- End Page
- 712
- ISSN
- 0366-7022
1348-0715
- Abstract
- We have designed new optical membrane sensor which is composed of cellulose triacetate polymer as a membrane support, o-nitophenyloctyl ether as a membrane plasticizer and sym-(decyl)(2-hydroxy-5-nitrobenzyloxy)dibenzo-16-crown-5 (1) as a Na+ ion selective chromoionophore. This type of membrane was found to selectively respond to Na+ in the detection limit of 10(-5) M (1 M = 1 mol dm(-3)) with no significant interference from Li+ and K+ ions.
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Collections - College of Natural Sciences > Department of Chemistry > 1. Journal Articles
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